23 Airworthiness Directives: 15 airplane, 3 rotorcraft, 3 engine, 2 appliance.
AD 88-25-08 · published Dec 1, 1988, effective Jan 3, 1989
Piper Aircraft Inc. Airplanes
AD 88-24-06 · published Dec 2, 1988, effective Dec 2, 1988
The Boeing Company Airplanes
AD 88-23-01 · published Dec 4, 1988, effective Dec 4, 1988
Mitsubishi Heavy Industries, Ltd. Airplanes
AD 88-22-10 · published Dec 7, 1988, effective Dec 7, 1988
The Boeing Company Airplanes
AD 88-12-51 R1 · published Dec 12, 1988, effective Dec 12, 1988
Bombardier Inc. Airplanes
AD 88-24-16 · published Dec 12, 1988, effective Dec 12, 1988
Cessna Aircraft Company Airplanes
AD 88-24-01 · published Dec 16, 1988, effective Dec 16, 1988
The Boeing Company Airplanes
AD 88-25-06 · published Dec 16, 1988, effective Dec 16, 1988
The Boeing Company Airplanes
AD 88-24-09 · published Dec 21, 1988, effective Dec 21, 1988
Fokker Services Airplanes
AD 87-14-07 R1 · published Dec 23, 1988, effective Dec 23, 1988
McDonnell Douglas Corporation Airplanes
AD 88-24-12 · published Dec 23, 1988, effective Dec 23, 1988
The Boeing Company Airplanes
AD 88-25-02 · published Dec 26, 1988, effective Dec 26, 1988
Aerostar Aircraft Corporation Airplanes
AD 88-25-04 · published Dec 26, 1988, effective Dec 26, 1988
Cessna Aircraft Company Airplanes
AD 88-24-13 · published Dec 27, 1988, effective Dec 27, 1988
Fokker Services Airplanes
AD 88-25-03 · published Dec 30, 1988, effective Dec 30, 1988
The Boeing Company Airplanes
AD 88-25-05 · published Dec 13, 1988, effective Dec 13, 1988
AST, Inc, Bell Helicopter Textron, Inc., California Department of Forestry, International Helicopters, Inc., Overseas Aircraft Support Inc, Richards Heavylift Helo, Inc., Robinson Air Crane, Inc., Rotorcraft Development Corporation, San Joaquin Helicopters, Smith Helicopters, Southern Helicopter, Inc., Tamarack Helicopters, Inc., US Helicopter, Inc., West Coast Fabricatio
AD 78-11-02 R1 · published Dec 15, 1988, effective Dec 15, 1988
Bell Helicopter Textron Canada Limited Helicopters
AD 64-02-06 R1 · published Dec 27, 1988, effective Dec 27, 1988
Sikorsky Aircraft Corporation Helicopters
AD 87-04-05 · published Dec 1, 1988, effective Dec 1, 1988
Continental Motors Engines
AD 88-24-05 · published Dec 15, 1988, effective Dec 15, 1988
Pratt & Whitney Division Engines
AD 89-01-02 · published Dec 29, 1988, effective Dec 29, 1988
General Electric Company Engines
AD 88-25-01 · published Dec 20, 1988, effective Dec 20, 1988
BAE Systems (Operations) Limited, Bendix/King, The Boeing Company, Fokker Services Appliances
AD 88-24-07 · published Dec 21, 1988, effective Dec 21, 1988
Alliedsignal Avionics, Inc. Appliances
